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1. I received a letter saying my annual backflow test is due. What do I need to do?
2. I'm a renter, why did I receive a letter from CWS about the backflow preventer?
3. I received a letter saying I need to install a backflow preventer. How do I do that?
4. Why do backflow preventers have to be tested annually?
5. Do Backflow Testers work for Charleston Water System?
6. Who should I contact for more information?
7. How do I know if I need to install a backflow preventer?
8. What is backflow?
9. What is a cross connection?
10. What causes backflow?
11. How does Charleston Water System prevent backflow?
12. What can I do to protect my home plumbing system from backflow?
13. What is the backflow administration fee?
14. A backflow preventer was already installed when I moved into this home / commercial space, but I don't think I need it. What should I do?
15. I don’t use my irrigation system. Do I still have to test and maintain my backflow preventer?

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1. Can I get my bill adjusted if I had a leak?
2. Can I get a discount on my sewer bill when I fill my pool?
3. Can I sign up for automatic recurring payments using my credit card?
4. How is my sewer bill calculated?
5. How is my water bill calculated?
6. Why is there a charge for the storm water fee on my water bill?
7. Why do water and sewer rates keep going up?
8. Why am I charged a minimum bill even if I don't use any water?
9. What is an irrigation account?
10. Does Charleston Water System bill for other sewer utilities?
11. What is Automated Meter Reading (AMR)?
12. What is my billing cycle?
13. What is the sewer cap?
14. Why is my bill higher than usual?
15. Will I be charged for sewer while my home is under construction?

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1. Do I still need to boil my water if I have a filter system on my faucet or refrigerator?
2. How long must a Boil Water Advisory or Notice be in effect?
3. How will I be notified if my home / business is affected by an advisory or notice?
4. How will I know when the advisory or notice has been lifted?
5. Is the water safe for washing dishes, laundry, and bathing?
6. Since an advisory is a precautionary measure, will I get sick if I drink the water or if I drank some water before I found out about the advisory?
7. Under what circumstances will Charleston Water System issue a Boil Water Advisory or Notice?
8. What are a Do Not Drink Notice and a Do Not Use Notice?
9. What are total coliform bacteria?
10. What is a Boil Water Advisory and is it the same as a Boil Water Notice?
11. What should I do during a Boil Water Advisory or Notice?
12. Where can I find more information?
13. Why must DHEC issue a Boil Water Advisory in preparation for a hurricane?

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1. Why did Charleston Water System partner with HomeServe?
2. How did Charleston Water select HomeServe for this partnership?
3. Do I need a warranty for my home's water or sewer service line?
4. The water account is not in my name, so why did I receive a letter from Charleston Water System about this?
5. If I sign up for HomeServe, who should I contact for questions or to make a claim?

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1. What’s the advantage in getting a separate irrigation account?
2. How much does it cost to install a residential irrigation meter?
3. How much does it cost to install a commercial irrigation meter?
4. How much will I save on my monthly bill if I install an irrigation meter?
5. How do I apply for an irrigation meter?
6. How long will it take to get an irrigation meter installed?
7. Who installs the irrigation meter?
8. Who can I contact for more information?

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1. What is your hiring process?
2. Do you accept resumes?
3. How long will my application remain active?
4. If I apply for one position will I be considered for any other open positions that I'm qualified for?
5. What is the Work Keys test?

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1. How do I find out if my property is in Charleston Water System's service area?
2. How do I find out if water and/or sewer service is available for my property?
3. How are tap and impact fees determined for new water and sewer projects?
4. What is the water pressure in Charleston Water's distribution system?
5. Can I get a map of the water and sewer lines in my area?
6. What are the costs associated with a new project?

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1. Is it okay to flush wet wipes and other products labeled "flushable"?
2. Is it okay to flush old medications?
3. How does grease clog the sewer system?
4. How is wastewater treated?
5. What is activated sludge and how does it clean the wastewater?

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1. May a vendor see copies of bids prior to award? If so, where?
2. What are the most frequently considered factors involved in determining a responsive bid and a responsible bidder?
3. Can a stipulation of "all or none" on behalf of the vendor for his materials lead to a disqualification of the bid?
4. When is resident preference applicable?
5. May a vendor call and ask to review the contract file and request information about an award?
6. Does the Commission have special authorization purchases?
7. Who manages surplus property?
8. I have a question about surplus property. Who should I talk to?
9. What should I do first if I wish to bid on Commission business?
10. What happens if I can only bid on part of the items in an IFB?
11. How can I get my product approved?
12. May I bid if I don't handle the brand listed on the IFB?
13. How do I get a copy of Charleston Water System's 2015 W-9 form?

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1. Does Charleston have a shortage of water?
2. Does Charleston's water contain fluoride?
3. How is the water disinfected?
4. I live in an older home, should I be concerned about lead pipes contaminating my water?
5. Is it okay to use the hot water tap for cooking or drinking?
6. Is my water safe to drink or is bottled water or filtered water safer?
7. Is tap water safe for use in aquariums?
8. My dishwasher leaves water spots on my glasses. What can I do to prevent this?
9. My water tastes / smells funny. Does this mean it's not safe to drink? What should I do?
10. Should I be concerned about Cryptosporidium or Giardia?
11. Should I be concerned about the sodium level of Charleston Water System water?
12. Sometimes my water has a milky white appearance, why?
13. What is a Boil Water Advisory?
14. What is the pH of Charleston's water?
15. What is hardness and how hard is Charleston's water?
16. Where does Charleston Water System water come from?
17. Why does my water sometimes appear rusty?